Kartboy Aluminum Crank Pulley WRX (2002-2014) STI (2004-2018) Ford The 1620 Series kit includes

The 1620 Series kit includes a performance pressure plate

If desired you can even set one side at the "hardest" position and set the other side at the "softest" position to achieve your desired effects

GrimmSpeed has a unique design for the Subaru WRX

which affects the camber setting in an negative way and can make the car handle unpredictably

You are looking at a top-of-the-line fully USA built Downpipe from GrimmSpeed for the 2002-2007 Subaru WRX and STI

Kartboy Aluminum Crank Pulley WRX (2002-2014) STI (2004-2018) Ford The 1620 Series kit includesThe Kartboy Aluminum Crank Pulley for the Subaru WRX, STI and Legacy GT is a great way to increase performance without any sacrifice. Decreasing rotational mass reduces the strain on the engine. The lightweight crank pulley has the same effect as a lightweight flywheel, just not as dramatic. FITMENT: WRX 2002 2014 STI 2004 2018 Legacy GT 2005 2009